1V6P

Crystal structure of Cobrotoxin


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.6293HAc-NaAc, Ethanol, NaCl, CuCl2, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthew coefficientSolvent content
1.7931.18

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 46.808α = 90
b = 47.287β = 90
c = 90.018γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCHESS BEAMLINE F10.93CHESSF1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
10.873092.80.06276069
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
0.870.8938.80.426

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONAB INITIOTHROUGHOUT0.87107591375913376492.80.11950.1533RANDOM
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
744811141.79
RMS Deviations
KeyRefinement Restraint Deviation
s_non_zero_chiral_vol0.107
s_zero_chiral_vol0.095
s_angle_d0.038
s_similar_adp_cmpnt0.036
s_from_restr_planes0.0352
s_bond_d0.015
s_rigid_bond_adp_cmpnt0.006
s_similar_dist
s_anti_bump_dis_restr
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1185
Nucleic Acid Atoms
Solvent Atoms268
Heterogen Atoms23

Software

Software
Software NamePurpose
SCALEPACKdata scaling
DENZOdata reduction
CNSrefinement
SHELXmodel building
SHELXL-97refinement